Something

<div id="location"  preload="false" style="display:none" dojoType="TitlePane" href="http://tmf4/pane.html" labelNodeClass="label-pane" label="&raquo; Address Fields" open="false" adjustPaths="false" containerNodeClass="content-pane"></div>
   
 </div>
</fieldset></div>
<a href="#" onclick="doit();">Do</a>
<a href="#" onclick="loadme();">loadme</a>
<script>
function doit() {
  
  var urlr = 'http://tmf4/civicrm/contact/search/advanced?snippet=1&formType=location';
  var pane = dojo.widget.byId('location');
  pane.setUrl(urlr);  
}

function loadme() {
  dojo.event.connect(dojo.widget.byId('location'), 'onLabelClick', function (){  doit(); });
}